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utils.js
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utils.js
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const fs = require('fs')
const path = require('path')
const isExist = (path) => {
return fs.existsSync(path)
}
const isFile = (path) => {
return isExist(path) && fs.statSync(path).isFile()
}
const isDir = (path) => {
return isExist(path) && fs.statSync(path).isDirectory()
}
const getPath = (basePath, relPath) => {
if (isDir(basePath)) {
return path.resolve(basePath, relPath)
}
return path.resolve(path.dirname(basePath), relPath)
}
const getRealFilePath = (basePath) => {
let filePath
if (isFile(basePath)) {
filePath = basePath
} else if (isDir(basePath) && isFile(path.join(basePath, './index.js'))) {
filePath = path.join(basePath, './index.js')
}
if (!filePath) {
throw new Error("cant't find file")
}
return filePath
}
const getVariableDeclarationName = (declarations) => {
return declarations.reduce((prev, cur) => {
return cur.type === "VariableDeclarator" ? {...prev, [cur.id.name]: cur.id.name} : prev
}, {})
}
module.exports = {
isExist,
isFile,
isDir,
getPath,
getRealFilePath,
getVariableDeclarationName
}